Home / 4,185.12-6,281.74-2,238.70

Finding the Fourth Proportional to 4,185.12, 6,281.74 and 2,238.70

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Solution

The fourth proportional to 4,185.12, 6,281.74 and 2,238.70 is: 3,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.12 : 6,281.74 = 2,238.70 : x
  2. Step 2: Convert to fraction form
    4,185.12/6,281.74 = 2,238.70/x
  3. Step 3: Cross multiply
    4,185.12x = 6,281.74 × 2,238.70
  4. Step 4: Simplify right side
    4,185.12x = 14,062,931.34
  5. Step 5: Solve for x
    x = 14,062,931.34/4,185.12
  6. Step 6: Final answer
    x = 3,360.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.